【摘要】 太赫兹技术在石油领域展现出重要的应用价值,尤其是针对油气储层潜能的表征与评价,已在岩石矿物演化、地壳构造、孔隙结构、岩性、应力、各向异性、吸附动力学等方面取得了重要进展.非常规油气资源储层富含纳米尺寸的分子和结构单元,目前,太赫兹技术在纳米尺度晶体管成像、粒子存在性探测、移动载流子分布等领域的突破,为非常规油气资源的太赫兹波谱表征奠定了基础.本文详细介绍了油气储层潜能太赫兹技术表征与评价的研究进展,总结了近几年太赫兹波谱在微纳结构表征方面的技术突破,最后提出了未来太赫兹技术在非常规油气资源领域的发展方向和面临的主要挑战.更多还原

【Abstract】 Unconventional hydrocarbon resources play an increasingly important role in our energy mix and we still need breakthrough of new technologies and methods in exploration and development. Terahertz(THz) technology can act as a non-destructive and contact-free tool for the research of the geological diagenetic and metallogenic evolutions.THz time-domain spectroscopy is a complementary method for composition and characteristic analysis of ore-forming fluids in geological diagenetic research. Simultaneously, as a test-bed for the exploration of new seismic processing methods involving complex model systems, the feasibility of the THz system was demonstrated. Moreover, evaluating the properties of unconventional resources with THz technology, including pore structure, adsorption, anisotropy and rock characteristics, gives guidance for the development on the reservoir potential. What’s more, due to THz scattering at atomic force microscope tips ultra-resolving THz near-field microscopy achieved nanoscale resolution and imaged semiconductor transistors, which opens the door to quantitative studies of local carrier concentration and mobility at the nanometer scale. By measuring the transport properties, one can determine whether the particle is trapped or not, and subsequently perform broadband THz spectroscopy with and without the nanoparticle present. The breakthrough in nanoscale resolution is the basis of characterizing the unconventional hydrocarbon resources with THz technology. In addition, several future applications of THz technology in unconventional field were suggested.更多还原